Braking mechanism for reeling-machines.



APPLICATION TILED MAY 15, 191Z.

Patented Dec. 1. 1914.

,47TORIVEY.

WITNESSES To all whom it may concern:

, UNITED STATES rntrnnrorricn.

I GRANT sum, or rnrnnson, nnwannsnvf i i Specification of'Letters Patent.v

I BRAK N MECHANISM non REELING-MACHINES.

Patented Dec. 1, 1914..

Original application filed. June 9, 1911, Serial Ila-632,182. Divided and this application filed May 15, 1912.

Be it known that I, GRANrSiPP, a'citizen of the United States, residing at Paterson,

in the county of Passaic and State of New Jersey, have invented certain new and useful Improvements in Braking Mechanism for e ngista specificat1on.-

This invention relates tomachines for winding silk and thelikeon reels and it'has reference particularly to the means for-ar ;1 resting'the rotation of a reel in such a ma;

chine.

The present tially instantaneously, yet without undue incidental jar or vibration.

In the accompanying drawing, Figure 1 is a side elevationuof a fragment of the machine of the characterreferred to provided with my invention; Fig' 2 isa front elevation of what appearsin. FigLfl; and,

Figs 3 and 4, arerearand-side elevations of one of the two coacting means for accomplishing the arresting of the rotation of the reel shown in Figs. 1 and 2.

a is the reel which, for the purposeofthis I description it is sufiicient to say is journaled atone end in the frame I) in the usual manner and at the other end is supported by a rotary member 0 with which saidreel is clutched, as clearly indicated at d in'Fig'. 2.

As set forth in my aforesaid application,

member 0 is j ournaled in a bracket e pivoted on the axis f in a bracket 9 bolted toframe.

b, so that it is movable up anddown, being normally supported by the drivinglwheel k i with which it is in peripheral contact and which is carried by the rotary shaft z, suit ably journaled'in the frame and itself driven in any suitable manner.

Theraising of the member a outof contact with the driving wheel h is accomplished as follows: j isa bracket secured to the frame and in which is fixed a shaft is affording a fulcrum for .a lever comprising laterally spaced arms Z and m connected by a web n,

. the web having a third arm 0 to which is bolted an upright weighted arm carrying a set-screw g normally resting against a stop 7' 5 rounded (Fig. 1) to form a cam achines, of which the following application is a division of my application for Letters Patent of the Serial No. 697,430.

' on: thefframe. Onshaft k is fulcrumed a lever s where it rests a 'ainst a'sto a o beinj there held by the action of gravity on its weighted upper end, its cam stands close to the periphery of member 0, sothat when it moves forward against a stop w thecam will act to elevate said member out of contact with the driving wheel 71. On shaft is 'is further. fulerume'd a 'resetting lever w I whose longer or handle arm normally rests on astop y, its shorter arm extending over i the stud t on lever 8. Thus, when the lever comprising arms Z and m is swung, past the center ofgravity and falls forward its arm m engages stud 20, thereby swinging lever a past its center of gravity, lever s falling forward against stop w and incidentally effecting the elevation of member 0, as described.

hen the handle end of the resetting lever isralsed, it engages stud t on lever 8, swinging the latter back against its stop '0, stud 21,

on. lever s engaging the lever comprising arms Z and m and reestabhshing it in contact wlth its stop 1'.

r The setting in motion of the mechanism just described may be accomplished in any suitable way when the occasion therefor arises, as when the predeterminedlength of material has been wound on thereel; for instance, a clock such as is described in my Letters Patent 723,624 and which 1t is ;nnnecessary to describe or show herein, may

gradually move a pendulum a to the left in 1 Fig. 1, ultimately releasing the same so that in its return swing under the action of gravity it will strike the broad head Z of the levercomprising arms Z and m.

Means, now to be described, coacts with the lever s to clamp the member a and bring the rotation thereof and consequently of the reel to a stop quickly, butwithout undue jar or vibration. The bracket 9 has a projection 1 inwhich is fixed a pin 2 protruding therefrom at both its ends and forming a fulcrum for a lever 3 which isJ- shaped when viewed as in Fig. 4. Projecting laterally from thelever is a toe 4 normally held against a set-screw 5 in bracket 9 by a spring 6 connecting the leverwith said bracket. Projecting laterally from the lever, oppositely to the toe 4, is an extension 7 carrying a friction-pad 8, of leather or the like, directly above and slightly spaced from the periphery of the member a. When member cis raised by the brake-lever s it;

is forced against the friction-pad of brakelever 3, which yields slightly, resisted by the spring 6, the two levers clamping member begins maybe varied at will. The brake; v lever Smay be swung back, if necessary, so

between them and bringing the same, and consequently the reel, to a substantially instantaneous stop, effected with the minimum of jar or shock owing largely to the vertical movability of said brake-levers.

justing the set-screw o, the distance which the'member 0 may be elevated before the co- .active braking effect of the levers s and 3 as to rest against the pad 9 carried by the bracket g,'the "upper end of said lever affording a handle for this purpose.

It will be apparent that the cam-action of the lever s contributes materially to the quick yet,'as it were, eased stopping 'of the rotation'of' the reel-driving member.

Having thus fully described my" inven tior'iywhat I claim as new. and desire to se cure by Letters Patent is I 1. In combination, a rotary driving mem-' ber shiftable transversely'of its axis of r0 tatlon, supporting means in which sald [member is journaled, a brake member movable against said driving member and adapted thereupon to shift the same, and an-.

other brake member opposing the shifting movement of the rotary member and yield able in the direction of shifting movement of said rotary member, substantially as described. I t V 2. In combination, a rotary driving mem ber, a rotary driving driven member normally held in peripheral engagement with the driving member, supporting means in which said members are 3ournaled, a brake means movable against the driven member to shift the same away from the driving member, and brake means opposing the shifting'movement of said driven member, substantially as described.

Copies 01 this patent may be obtained for By admeans with 3. In combination, a rotary driving member, a rotary driving driven member normally held in peripheral engagement with the driving member", supporting-means in which said members are journaled, a brake means movableagainst the driven member to shift the same away from the driving member, and. a "yielding, elastically cushioned" brake means opposing the shifting movement of said drivenl member, substan tially as described.

4C. In combination,

tation, supporting means in which said member 1s Journaled, a brake'member movable against said driving member anda rotary driving member shiftable transversely of its axis of roadapted thereupon to shiftthesame, and

another elastically supported brakefmember opposing the shiftingmovement of the rotary'-member' and yieldable in the direction ber, supporting means in which "said me ber 1s 3ournaled, a brake member having a cam surface and movable tobring said camsurface againstand thus. shift; the driving t of shiftingmovemen't of said rotaryme ber, substantially as described; p

5. In comb1nat1on,.a rotary driving memmember, an d]another and cushioned brake I opposing the f shifting movement 'of said driving-member, substantially as described;

6. The combinationv of the frame, a drivmg member urnaled therein, a brake member pivoted in the frame and movable in one. 1 direction toward the drivingmember and in the other againsttheframe, andelastio controlling meansfor the brake member engaged on the one handwith theframe and on the other hand with the brake member at a point'in the "latter shiftable' past a linev five cents each, by addressing the Commissioner of l Eatent'g,

1 Washington, D; G. Y K 

